476
ASUS43 KLOT 192201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT WED AUG 19 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-192300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 81 68 64 NE7 29.89F HX 84 TC 27
STERLING* PTSUNNY 84 66 54 N6 29.92S HX 86 TC 29
SAVANNA* PTSUNNY 83 63 51 N5 29.91F HX 84 TC 28
ILZ003-004-008-010-011-017-018-192300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 66 60 VRB3 29.93S HX 83 TC 27
FREEPORT* PTSUNNY 81 68 65 NE3 29.94F HX 83 TC 27
DE KALB* PTSUNNY 79 68 68 NE7 29.93S HX 81 TC 26
ILZ005-006-012>014-019>023-192300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 76 64 66 NE13 29.92F TC 24
CHICAGO-MIDWAY PTSUNNY 76 65 68 E12 29.93S TC 24
AURORA PTSUNNY 81 68 64 E9 29.91S HX 84 TC 27
JOLIET* CLOUDY 80 69 70 E9 29.91S HX 83 TC 27
WAUKEGAN MOSUNNY 73 61 65 NE10 29.94S TC 23
DUPAGE AIRPORT MOSUNNY 79 66 64 E13 29.92S HX 81 TC 26
KANKAKEE* CLOUDY 80 71 74 NE5 29.92S HX 83 TC 27
WHEELING MOSUNNY 75 65 70 NE10G17 29.95S TC 24
LANSING* CLOUDY 74 66 74 NE8 29.93S TC 24
NORTHERLY ISL* N/A 74 66 76 NE9 N/A TC 23
LMZ740>746-192300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 73 74 30/ 12/ 16 1017.8F 1/ 3
WAUKEGAN HARBOR 73 74 10/ 12/ 16 1014.9S 1/ 3
WILMETTE BUOY 73 90/ 12/ 16 1017.3F 1/ 2
CHICAGO BUOY 73 74 1012.5F 1/ 2
NORTHERLY ISL 75 20/ 10/ 11 N/A
CALUMET HARBOR 74 20/ 8/ 11 1013.9
MICH CITY BUOY 73 75 20/ 12/ 16 N/A 1/ 3
ST. JOSEPH BUOY 73 76 10/ 12/ 14 1014.6F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-192300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 71 79 CALM 29.90F HX 80 TC 26
GALESBURG* PTSUNNY 79 73 82 CALM 29.92S HX 82 TC 26
MACOMB* PTSUNNY 81 75 80 S3 29.93S HX 87 TC 27
JACKSONVILLE* PTSUNNY 77 73 87 CALM 29.90F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-192300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 82 71 70 CALM 29.91S HX 86 TC 28
BLOOMINGTON LGT RAIN 77 74 90 NE3 29.93S TC 25
DECATUR PTSUNNY 80 71 74 SW7 29.91S HX 84 TC 27
PEORIA CLOUDY 83 70 64 NW5 29.89F HX 87 TC 28
LINCOLN* PTSUNNY 83 71 67 CALM 29.91R HX 87 TC 28
SPRINGFIELD PTSUNNY 80 73 79 W3 29.91R HX 84 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-192300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 79 74 84 S6 29.91F HX 82 TC 26
MATTOON PTSUNNY 79 71 76 SW3 29.92S HX 82 TC 26
PARIS* CLOUDY 80 70 72 CALM 29.92F HX 83 TC 27
ILZ079-100>102-192300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTSUNNY 80 73 79 CALM 29.91F HX 84 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-192300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 72 69 W5 29.91F HX 87 TC 28
CAIRO* MOSUNNY 81 76 84 CALM 29.91S HX 87 TC 27
MT. VERNON PTSUNNY 81 70 69 W6 29.92F HX 84 TC 27
CENTRALIA* PTSUNNY 80 71 74 CALM 29.92F HX 83 TC 27
SALEM* PTSUNNY 80 72 76 MISG 29.92F HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-192300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 82 70 66 S12 29.92S HX 86 TC 28
FLORA* PTSUNNY 81 72 74 SW7 29.92F HX 84 TC 27
FAIRFIELD* PTSUNNY 81 69 68 SW8 29.92F HX 84 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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